package com.vint.hdu;

import java.util.Scanner;

/**
 * Copyright (C) 2017, Xiaomi Inc. All rights reserved.
 * Created by vint @ 2017/11/19.
 * in leetcode
 */

public class Hdu1001 {
	//控制台输出
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		while(scan.hasNextLong()) {
			long a=scan.nextLong();
			long b=scan.nextLong();
			System.out.println(a+b);
		}
	}
}


